The registration address of yongdong antai environmental technology ltd. Is located at 9th street of the high-level project area, located in the isthmus mountain, shandong province. The registration authority is the market supervision authority for the eco-economic development of the gorges mountain, represented by a legal person, de chunlong. It operates in the areas of research and development, production, sale of energy conservation equipment for the environment, environmental detection and monitoring equipment, environmental treatment equipment, instrumentation instruments, various types of water treatment fillings, filters, materials; environmental monitoring, electrical control, automated systems, information management systems, development, production and marketing of soft and hardware for the communications transmission system; research and development and advice on environmentally sound management technologies; operation of the wastewater, gas and solid waste disposal project; operation of the environmental inspection monitoring and control and data collection transmission system; design and construction of environmental engineering works; installation of electrical construction, environmental equipment facilities; import and export of goods, and export of technology (subject to the approval of the law and approval of the relevant authorities for the operation)。